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Finding the Fourth Proportional to 202,434.40, 303,870.30 and 113,860.90

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Solution

The fourth proportional to 202,434.40, 303,870.30 and 113,860.90 is: 170,914.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,434.40 : 303,870.30 = 113,860.90 : x
  2. Step 2: Convert to fraction form
    202,434.40/303,870.30 = 113,860.90/x
  3. Step 3: Cross multiply
    202,434.40x = 303,870.30 × 113,860.90
  4. Step 4: Simplify right side
    202,434.40x = 34,598,945,841.27
  5. Step 5: Solve for x
    x = 34,598,945,841.27/202,434.40
  6. Step 6: Final answer
    x = 170,914.36

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.